2649610808 has 32 divisors (see below), whose sum is σ = 5474607600. Its totient is φ = 1194455808.

The previous prime is 2649610807. The next prime is 2649610813. The reversal of 2649610808 is 8080169462.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2649610807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 291773 + ... + 300716.

Almost surely, 2^2649610808 is an apocalyptic number.

It is an amenable number.

2649610808 is an abundant number, since it is smaller than the sum of its proper divisors (2824996792).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2649610808 is a wasteful number, since it uses less digits than its factorization.

2649610808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 592551 (or 592547 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 44.

The square root of 2649610808 is about 51474.3703992579. The cubic root of 2649610808 is about 1383.7597550958.

The spelling of 2649610808 in words is "two billion, six hundred forty-nine million, six hundred ten thousand, eight hundred eight".